Total enrollment
5,448
-996 (-15%) vs SY 2020-21
13 schools in South Bay Union
California · 5,513 students · 3 cities
Public K-12 schools in South Bay Union number 13, teaching approximately 5,513 California students (an average of 424 per school).
4-year change in South Bay Union
SY 2020-21 vs SY 2024-25School count
11
-1 (-8%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How South Bay Union ranks
Among districts| Measure | This district | In California | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 28.3% | #425 of 534 | N/A |
| Enrollment ranked largest first | 5,513 | #243 of 587 | #1,742 of 9,234 |
| Number of schools ranked most first | 12 | #201 of 587 | N/A |
| Students per teacher ranked fewest first | 24.8:1 | #568 of 587 | #8,983 of 9,044 |
| Free or reduced-price lunch share ranked highest first | 68.5% | #266 of 587 | #2,059 of 8,164 |
| Diversity index ranked most diverse first | 24.5% | #449 of 530 | #5,290 of 6,853 |
Districts need at least 2 schools and 500 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.
Inside South Bay Union
State test results across the district's 11 scored schools run from Nestor Language Academy Charter at 42.8% proficient to Central Elementary at 15.8%, a gap of 27.0 points. That is the 245th widest gap among 458 California districts with four or more scored schools.
Since 2017-18, the 11 district schools that reported both years went from 7,376 to 5,448 students (down 26%) and from 299 to 219 full-time teachers (down 27%), as of 2024-25.
Proficient is the average share of students meeting the state standard across each school's state tests in 2023-24 and 2024-25; schools with fewer than 100 students and schools serving specialized populations are left out. Staffing figures come from the NCES Common Core of Data and count only schools that reported students and teachers in both years.
| Name | City | Level | Grades | Enrollment |
|---|---|---|---|---|
| Nestor Language Academy Charter | San Diego | Elementary | KG-08 | 1,079 |
| Imperial Beach Charter | Imperial Beach | Elementary | KG-08 | 724 |
| George Nicoloff Elementary | San Ysidro | Elementary | KG-06 | 616 |
| Teofilo Mendoza | San Diego | Elementary | KG-06 | 468 |
| Oneonta Elementary | Imperial Beach | Elementary | KG-06 | 434 |
| Howard Pence Elementary | San Diego | Elementary | KG-06 | 419 |
| Emory Elementary | San Diego | Elementary | KG-06 | 399 |
| Bayside STEAM Academy | Imperial Beach | Elementary | KG-06 | 362 |
| Central Elementary | Imperial Beach | Elementary | KG-06 | 350 |
| Sunnyslope Elementary | San Diego | Elementary | KG-06 | 324 |
| Godfrey G. Berry Elementary | San Diego | Elementary | KG-06 | 273 |
| SBUSD Virtual Academy | Imperial Beach | Elementary | KG-06 | 65 |
| VIP Village Preschool | Imperial Beach | Elementary | M-M | · |
About South Bay Union
South Bay Union is a low-population public-school district in California. The district runs 13 schools and hosts approximately 5,513 students.
Per-school enrollment averages around 424 in this district, lower than the California typical of 578.
Five-year track record. Across the same 4-year window, public-school enrollment decreased 15%: 6,444 students in SY 2020-21 versus 5,448 in SY 2024-25. South Bay Union now counts 11 public schools, down from 12 in SY 2020-21.
In the discussion threads here, the community for South Bay Union discusses enrollment trends, district policy changes, and bus-route updates. Posts come from current and former families, staff, and alumni.